Keystone Resort in Colorado, USA, is a 4.5-star ski resort with 135 trails, 140 trails total, and 3,128 feet of vertical drop. It features three mountains, five bowls, and 20 lifts, offering a wide range of skiing and snowboarding experiences for all skill levels. The resort is part of the Vail Resorts family and offers a variety of amenities, including night skiing, snowshoeing, and ice skating. With over 230 inches of annual snowfall, Keystone is a popular destination for winter sports enthusiasts.